gpt-oss-20b (High) vs Grok 4.20 0309 v2 (Reasoning)

gpt-oss-20b (High) vs Grok 4.20 0309 v2 (Reasoning). A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.

OpenAIgpt-oss-20b (High)Off the frontier
Intelligence
9.00
Total cost
$28.8
SpaceXAIGrok 4.20 0309 v2 (Reasoning)Not ranked · benchmark data missing
Intelligence
25.70
Total cost
-
Verdict

Comparison incomplete

A reliable intelligence-versus-cost verdict requires both models' intelligence scores and benchmark-run costs. Missing data is not a performance verdict.

Metricgpt-oss-20b (High)Grok 4.20 0309 v2 (Reasoning)Difference
Intelligence (higher is better)9.025.7+185.6% Grok 4.20 0309 v2 (Re… is 2.9× more intelligent
Total AA cost (lower is better)$28.81Not reported— not comparable
End-to-end time (lower is better)15.12s21.39s+41.5% Grok 4.20 0309 v2 (Re… is 41.5% slower
Price per 1M tokens (in / out)$0.05 / $0.22$1.25 / $2.50
Input modalitiesTextText, Image
Open this matchup in the interactive pickergpt-oss-20b (High): what beats itGrok 4.20 0309 v2 (Reasoning): what beats it
Matchup

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Agents: Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/gpt-oss-20b/grok-4-20 · Markdown: /api/v1/compare/gpt-oss-20b/grok-4-20?format=md · llms.txt · agent skill